Davoud Teimouri

Virtualization & Datacenter

NMI purple diagnostic screen on HPE ProLiant Gen8 servers

It seems, there is an issue on HPE G8 servers with the below ESXi versions:

  1. ESXi 5.5 Patch 10
  2. ESXi 6.0 Patch 4
  3. ESXi 6.5

Intel® IOMMU’s (aka VT-d) interrupt remapper functionality has been changed in the above versions and you need to enable it manually:

 

  • Run this command:

    esxcli system settings kernel set –setting=iovDisableIR -v FALSE

  • Reboot the ESXi host.
  • Ensure the iovDisableIR setting is set to FALSE with this command:

    esxcli system settings kernel list -o iovDisableIR

    For example:

    esxcli system settings kernel list -o iovDisableIR

    Name          Type  Description                                 Configured  Runtime  Default
    ————  —-  —————————————     ———-  ——-  ——-
    iovDisableIR  Bool  Disable Interrupt Routing in the IOMMU…   FALSE       FALSE    TRUE        

 

 

Davoud Teimouri is as a professional blogger, vExpert 2015-2016-2017, VCA, MCITP. This blog is started with simple posts and now, it has large following readers.

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NMI purple diagnostic screen on HPE ProLiant Gen8 servers

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